117527477 has 4 divisors (see below), whose sum is σ = 124440876. Its totient is φ = 110614080.

The previous prime is 117527461. The next prime is 117527491. The reversal of 117527477 is 774725711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91374481 + 26152996 = 9559^2 + 5114^2 .

It is a cyclic number.

It is not a de Polignac number, because 117527477 - 2⁴ = 117527461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117527077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3456674 + ... + 3456707.

It is an arithmetic number, because the mean of its divisors is an integer number (31110219).

Almost surely, 2^117527477 is an apocalyptic number.

117527477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

117527477 is a deficient number, since it is larger than the sum of its proper divisors (6913399).

117527477 is an equidigital number, since it uses as much as digits as its factorization.

117527477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913398.

The product of its digits is 96040, while the sum is 41.

The square root of 117527477 is about 10841.0090397527. The cubic root of 117527477 is about 489.8312302297.

The spelling of 117527477 in words is "one hundred seventeen million, five hundred twenty-seven thousand, four hundred seventy-seven".